install Docker in Vagrant Centos 7 2020-10-07

bootstrap.sh

#!/usr/bin/env bash

# 2020-10-07

# install required package
sudo yum install -y yum-utils \
  device-mapper-persistent-data \
  lvm2
yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
yum makecache fast

# install and start docker
# yum install -y docker-ce docker-ce-cli containerd.io
systemctl enable docker
systemctl start docker

# add the current user to docker group
# https://docs.docker.com/engine/install/linux-postinstall/
sudo groupadd docker
sudo usermod -aG docker $USER

# install docker-compose 
# https://docs.docker.com/compose/install/
curl -L "https://github.com/docker/compose/releases/download/1.27.4/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose
ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
# Command-line completion 
# https://docs.docker.com/compose/completion/ 
yum install bash-completion bash-completion-extras
curl -L https://raw.githubusercontent.com/docker/compose/1.27.4/contrib/completion/bash/docker-compose -o /etc/bash_completion.d/docker-compose


# other tools
yum install -y vim
yum install -y net-tools

# timezone
timedatectl set-timezone Asia/Tokyo
yum install -y ntpdate


# expose docker to tcp://127.0.0.1:2375
# https://docs.docker.com/engine/install/linux-postinstall/
tee /usr/lib/systemd/system/docker.service <<-'EOF'
[Service]
ExecStart=
ExecStart=/usr/bin/dockerd -H unix:// -H tcp://127.0.0.1:2375
EOF
systemctl daemon-reload



# restart
reboot 

Vagrantfile

Vagrant.configure("2") do |config|
  config.vm.box = "centos/7"

  # config.vm.network "public_network", ip: "192.168.0.180",bridge:"ens33"
  config.vm.provision :shell, path: "bootstrap.sh"
    
  config.vm.provision "shell",run: "always", inline: <<-SHELL
    ntpdate asia.pool.ntp.org
  SHELL
  
end